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Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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openat64() uses openat(), so we need hidden aliases for it.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The majority of the byteswap functions are the same across all arches, so
setup a common header to provide definitions if they don't exist. This
allows arches to override only the ones they actually want to implement
with inline assembly.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Undo my old mistake. I added UCLIBC_INTERNAL define,
but later I realized _LIBC is doing exactly the same thing.
This change converts all usages of UCLIBC_INTERNAL to _LIBC,
removing all instances of UCLIBC_INTERNAL.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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libc/sysdeps/linux/mips/clone.S: Assembler messages:
libc/sysdeps/linux/mips/clone.S:122: Warning: No .frame pseudo-op used in PIC code
libc/sysdeps/linux/mips/clone.S:75: Warning: Pretending global symbol used as branch target is local.
libc/sysdeps/linux/mips/crt1.S: Assembler messages:
libc/sysdeps/linux/mips/crt1.S:134: Warning: No .cprestore pseudo-op used in PIC code
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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These arches are generic C implementations of the byteswap functions, so
rather than keep a useless local copy, use the common C one.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The cris/hppa code appears to be easy to convert, so go ahead and do it
for them. Build tested only.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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A port or two (like hppa) does define ENOTSUP, so don't assume that
everyone needs this fallback define.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The INLINE_SYSCALL_NCS() macro was using "res" and "err" as local variable
names, but this caused conflicts with some code (like clock_getres) whose
arguments were named the same.
libc/sysdeps/linux/common/clock_getres.c: In function 'clock_getres':
libc/sysdeps/linux/common/clock_getres.c:15: warning: 'res' is used uninitialized in this function
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The latest sanitized linux kernel headers no longer export asm/elf.h, so do
not rely on it anymore.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The latest alpha Linux kernel defines __NR_fdatasync like everyone else and
deprecates the older __NR_osf_fdatasync, so support that setup.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Tested basic functionality with coreutils and things seem to work. At
least gives us a basis to jump from.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Reported-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This patch is a uClibc equivalent of
<http://sourceware.org/ml/libc-ports/2008-11/msg00006.html>, to
compute all syscall arguments on ARM in temporary variables before
loading them into register variables. The principle is as for that
glibc patch; the problem I actually observed was a GCC internal
compiler error building ld.so for Thumb-2.
Signed-off-by: Joseph Myers <joseph@codesourcery.com>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Declare common NCS (non-constant syscall) variants and convert the existing
ports over to this.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Generate PIC relocations when __PIC__ is defined rather than
__HAVE_SHARED__ (like other architectures).
Signed-off-by: Peter Griffin <pgriffin@mpc-data.co.uk>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Ports missing INLINE_SYSCALL() support need to get fixed, so drop the cruft
keeping them alive since it no longer works with the unification.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Unify all the common syscall defines in syscalls-common.h and scrub all
the duplicated code from relevant ports. This should also make converting
existing ports to INLINE_SYSCALL() much easier as they don't have to get
lost in all the unrelated noise, as well as creating new ports.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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The test here is a constant expression and will compile out.
For platforms that don't need the shift the code gets slightly smaller
and simpler, for those that do the result is unchanged.
Signed-off-by: Ron Lee <ron@debian.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This cuts down on a lot of noise from gcc-4.4
Signed-off-by: Ron Lee <ron@debian.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The __syscall_error() function stores the errno value in the edx register
before invoking the __set_errno() macro. When using the pthread library
this macro calls thread_self() to determine the errno location, which might
clobber the edx register. The errno value must be stored in a "real"
variable so the compiler can take care of saving/restoring it if necessary.
Signed-off-by: Ingo van Lil <inguin@gmx.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Make sure each arch has the same complete list to make comparing between
them easier.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Many Thumb-2 instructions cannot use sp or pc as operands, and the
assembler now diagnoses these. setjmp had one such instruction, movs;
this patch changes it to mov.
Signed-off-by: Joseph Myers <joseph@codesourcery.com>
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The ARM EABI has a document CLIBABI specifying various __aeabi_*
functions and variables to be provided for the use of portable objects
that can be linked with different EABI-conforming C libraries.
__aeabi_stdin, __aeabi_stdout and __aeabi_stderr were missing in
uClibc; this patch (originally from Nathan Froyd and for glibc) adds
them.
Signed-off-by: Joseph Myers <joseph@codesourcery.com>
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The POSIX waitid() takes 4 args, but the Linux one takes 5 args, so make
sure we stuff the 5th arg with a NULL. Otherwise garbage gets randomly
passed up and considering this is a pointer, that's baaaad.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Also get rid of warning in sparc sigaction
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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This will generate a Scrt1.o that is linked to executabled
when compiled as PIE code (position independent executable) without
requiring relocation in .text section (not allowed on uclibc/sh4).
Signed-off-by: Peter Griffin <pgriffin@mpc-data.co.uk>
Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com>
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The new guard symbol is "__SPARC_POSIX_TYPES_H".
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memory protection
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longer than one second
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ustat: same, + remove superfluous "conversion"
which does nothing at best, loses high dev bits at worst
i386/bits/kernel_stat.h: update to reflect reality (wider dev_t)
h8300/bits/kernel_stat.h: same
arm/bits/kernel_stat.h: cosmetics to match kernel header to the letter
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Now they are only enabled if linuxthreads.old are selected.
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uclibc config option macros (aligning SH to all other archs).
Changes applied as below:
__CONFIG_SH4__ -> __SH4__
__CONFIG_SH2__ -> __sh2__
__CONFIG_SH2A__ -> __SH2A__
Note: pay attention to capital letters
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Signed-off-by: Peter Griffin <pgriffin@mpc-data.co.uk>
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math.h: make macro machinery a bit more understandable
No code changes (verified with objdump)
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